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34 <br /> Project: Robinett Homes, LLG, Seahurst Ave, Everett,WA <br /> Key No. 4.3 Thickened slab,fc = 2,500 psi, Bottom Widthl2" <br /> Load (2) floors wl tot trib 16 ft, wall w/h 16 ft, <br /> DL 16x20 + 8x10 - 400plf <br /> LL 16 x 40 - 640 plf <br /> Total = 1,040 plf <br /> Soil pressure 1,040/ 1 - 1,040 psf< 1,500 <br /> Reinforcement: (2) rebars#4 longitudinal <br /> Bent rebars into slab#3 @ 16"o.c. <br /> Key No. 4.4 Spread Footing,fc W 2,500 psi, 24x24x8" <br /> Load reaction from (2x) beam 3.6 <br /> P 2 x 1,060 = 2,120 lbs <br /> Soil pressure 2,120/4 = 540 psf < 1,500 <br /> Also used at front porch <br /> Key No. 4.5 Spread Footing,fc = 2,500 psi, 30x3Ox8" <br /> Load from post 3.8 <br /> P _ 6,760lbs <br /> Soil pressure 6,760 /6.25 - 1,082 psf< 1,500 <br /> Also used at front porch <br /> tecinstruct LLC <br />